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Essay Galaxy - Essay on Evolution
Essay on Evolution
There are many mechanisms that lead to evolutionary change. One of the
most important mechanism in evolution is natural selection which is the
differential success in the reproduction of different phenotypes resulting from
the interaction of organisms with their environment. Natural selection occurs
when a environment makes a individual adapt to that certain environment by
variations that arise by mutation and genetic recombination. Also it favors
certain traits in a individual than other traits so that these favored traits
will be presented in the next generation. Another mechanism of evolution is
genetic drift. Genetic drift is a random change in a small gene pool due to
sampling errors in propagation of alleles or chance. Genetic drift depends
greatly on the size of the gene pool. If the gene pool is large, the better it
will represe....
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Number Of Pages: 4 |
Number Of Words: 927 |
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